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<div id="overview"><a href="../../../../../api/org/jboss/netty/buffer/CompositeChannelBuffer.html">View Javadoc</a></div><pre>

<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright 2009 Red Hat, Inc.</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * Red Hat licenses this file to you under the Apache License, version 2.0</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance with the</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * License.  You may obtain a copy of the License at:</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> *    <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * License for the specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * under the License.</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <strong class="jxr_keyword">package</strong> org.jboss.netty.buffer;
<a class="jxr_linenumber" name="17" href="#17">17</a>  
<a class="jxr_linenumber" name="18" href="#18">18</a>  <strong class="jxr_keyword">import</strong> java.io.IOException;
<a class="jxr_linenumber" name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> java.io.InputStream;
<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> java.io.OutputStream;
<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> java.nio.ByteBuffer;
<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> java.nio.ByteOrder;
<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> java.nio.channels.GatheringByteChannel;
<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> java.nio.channels.ScatteringByteChannel;
<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> java.util.ArrayList;
<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> java.util.Collections;
<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> java.util.List;
<a class="jxr_linenumber" name="28" href="#28">28</a>  
<a class="jxr_linenumber" name="29" href="#29">29</a>  
<a class="jxr_linenumber" name="30" href="#30">30</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="31" href="#31">31</a>  <em class="jxr_javadoccomment"> * A virtual buffer which shows multiple buffers as a single merged buffer.  It</em>
<a class="jxr_linenumber" name="32" href="#32">32</a>  <em class="jxr_javadoccomment"> * is recommended to use {@link ChannelBuffers#wrappedBuffer(ChannelBuffer...)}</em>
<a class="jxr_linenumber" name="33" href="#33">33</a>  <em class="jxr_javadoccomment"> * instead of calling the constructor explicitly.</em>
<a class="jxr_linenumber" name="34" href="#34">34</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="35" href="#35">35</a>  <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="http://www.jboss.org/netty/" target="alexandria_uri">http://www.jboss.org/netty/</a>"&gt;The Netty Project&lt;/a&gt;</em>
<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="http://gleamynode.net/" target="alexandria_uri">http://gleamynode.net/</a>"&gt;Trustin Lee&lt;/a&gt;</em>
<a class="jxr_linenumber" name="37" href="#37">37</a>  <em class="jxr_javadoccomment"> * @author Frederic Bregier (fredbregier@free.fr)</em>
<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> * @version $Rev: 2206 $, $Date: 2010-03-03 14:35:01 +0900 (Wed, 03 Mar 2010) $</em>
<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="42" href="#42">42</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/jboss/netty/buffer/CompositeChannelBuffer.html">CompositeChannelBuffer</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../org/jboss/netty/buffer/AbstractChannelBuffer.html">AbstractChannelBuffer</a> {
<a class="jxr_linenumber" name="43" href="#43">43</a>  
<a class="jxr_linenumber" name="44" href="#44">44</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> ByteOrder order;
<a class="jxr_linenumber" name="45" href="#45">45</a>      <strong class="jxr_keyword">private</strong> <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a>[] components;
<a class="jxr_linenumber" name="46" href="#46">46</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong>[] indices;
<a class="jxr_linenumber" name="47" href="#47">47</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> lastAccessedComponentId;
<a class="jxr_linenumber" name="48" href="#48">48</a>  
<a class="jxr_linenumber" name="49" href="#49">49</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/buffer/CompositeChannelBuffer.html">CompositeChannelBuffer</a>(ByteOrder endianness, List&lt;ChannelBuffer&gt; buffers) {
<a class="jxr_linenumber" name="50" href="#50">50</a>          order = endianness;
<a class="jxr_linenumber" name="51" href="#51">51</a>          setComponents(buffers);
<a class="jxr_linenumber" name="52" href="#52">52</a>      }
<a class="jxr_linenumber" name="53" href="#53">53</a>  
<a class="jxr_linenumber" name="54" href="#54">54</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="55" href="#55">55</a>  <em class="jxr_javadoccomment">     * Same with {@link #slice(int, int)} except that this method returns a list.</em>
<a class="jxr_linenumber" name="56" href="#56">56</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="57" href="#57">57</a>      <strong class="jxr_keyword">public</strong> List&lt;ChannelBuffer&gt; decompose(<strong class="jxr_keyword">int</strong> index, <strong class="jxr_keyword">int</strong> length) {
<a class="jxr_linenumber" name="58" href="#58">58</a>          <strong class="jxr_keyword">if</strong> (length == 0) {
<a class="jxr_linenumber" name="59" href="#59">59</a>              <strong class="jxr_keyword">return</strong> Collections.emptyList();
<a class="jxr_linenumber" name="60" href="#60">60</a>          }
<a class="jxr_linenumber" name="61" href="#61">61</a>  
<a class="jxr_linenumber" name="62" href="#62">62</a>          <strong class="jxr_keyword">if</strong> (index + length &gt; capacity()) {
<a class="jxr_linenumber" name="63" href="#63">63</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IndexOutOfBoundsException();
<a class="jxr_linenumber" name="64" href="#64">64</a>          }
<a class="jxr_linenumber" name="65" href="#65">65</a>  
<a class="jxr_linenumber" name="66" href="#66">66</a>          <strong class="jxr_keyword">int</strong> componentId = componentId(index);
<a class="jxr_linenumber" name="67" href="#67">67</a>          List&lt;ChannelBuffer&gt; slice = <strong class="jxr_keyword">new</strong> ArrayList&lt;ChannelBuffer&gt;(components.length);
<a class="jxr_linenumber" name="68" href="#68">68</a>  
<a class="jxr_linenumber" name="69" href="#69">69</a>          <em class="jxr_comment">// The first component</em>
<a class="jxr_linenumber" name="70" href="#70">70</a>          <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> first = components[componentId].duplicate();
<a class="jxr_linenumber" name="71" href="#71">71</a>          first.readerIndex(index - indices[componentId]);
<a class="jxr_linenumber" name="72" href="#72">72</a>  
<a class="jxr_linenumber" name="73" href="#73">73</a>          <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> buf = first;
<a class="jxr_linenumber" name="74" href="#74">74</a>          <strong class="jxr_keyword">int</strong> bytesToSlice = length;
<a class="jxr_linenumber" name="75" href="#75">75</a>          <strong class="jxr_keyword">do</strong> {
<a class="jxr_linenumber" name="76" href="#76">76</a>              <strong class="jxr_keyword">int</strong> readableBytes = buf.readableBytes();
<a class="jxr_linenumber" name="77" href="#77">77</a>              <strong class="jxr_keyword">if</strong> (bytesToSlice &lt;= readableBytes) {
<a class="jxr_linenumber" name="78" href="#78">78</a>                  <em class="jxr_comment">// Last component</em>
<a class="jxr_linenumber" name="79" href="#79">79</a>                  buf.writerIndex(buf.readerIndex() + bytesToSlice);
<a class="jxr_linenumber" name="80" href="#80">80</a>                  slice.add(buf);
<a class="jxr_linenumber" name="81" href="#81">81</a>                  <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="82" href="#82">82</a>              } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="83" href="#83">83</a>                  <em class="jxr_comment">// Not the last component</em>
<a class="jxr_linenumber" name="84" href="#84">84</a>                  slice.add(buf);
<a class="jxr_linenumber" name="85" href="#85">85</a>                  bytesToSlice -= readableBytes;
<a class="jxr_linenumber" name="86" href="#86">86</a>                  componentId ++;
<a class="jxr_linenumber" name="87" href="#87">87</a>  
<a class="jxr_linenumber" name="88" href="#88">88</a>                  <em class="jxr_comment">// Fetch the next component.</em>
<a class="jxr_linenumber" name="89" href="#89">89</a>                  buf = components[componentId].duplicate();
<a class="jxr_linenumber" name="90" href="#90">90</a>              }
<a class="jxr_linenumber" name="91" href="#91">91</a>          } <strong class="jxr_keyword">while</strong> (bytesToSlice &gt; 0);
<a class="jxr_linenumber" name="92" href="#92">92</a>  
<a class="jxr_linenumber" name="93" href="#93">93</a>          <em class="jxr_comment">// Slice all components because only readable bytes are interesting.</em>
<a class="jxr_linenumber" name="94" href="#94">94</a>          <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; slice.size(); i ++) {
<a class="jxr_linenumber" name="95" href="#95">95</a>              slice.set(i, slice.get(i).slice());
<a class="jxr_linenumber" name="96" href="#96">96</a>          }
<a class="jxr_linenumber" name="97" href="#97">97</a>  
<a class="jxr_linenumber" name="98" href="#98">98</a>          <strong class="jxr_keyword">return</strong> slice;
<a class="jxr_linenumber" name="99" href="#99">99</a>      }
<a class="jxr_linenumber" name="100" href="#100">100</a> 
<a class="jxr_linenumber" name="101" href="#101">101</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="102" href="#102">102</a> <em class="jxr_javadoccomment">     * Setup this ChannelBuffer from the list</em>
<a class="jxr_linenumber" name="103" href="#103">103</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="104" href="#104">104</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> setComponents(List&lt;ChannelBuffer&gt; newComponents) {
<a class="jxr_linenumber" name="105" href="#105">105</a>         assert !newComponents.isEmpty();
<a class="jxr_linenumber" name="106" href="#106">106</a> 
<a class="jxr_linenumber" name="107" href="#107">107</a>         <em class="jxr_comment">// Clear the cache.</em>
<a class="jxr_linenumber" name="108" href="#108">108</a>         lastAccessedComponentId = 0;
<a class="jxr_linenumber" name="109" href="#109">109</a> 
<a class="jxr_linenumber" name="110" href="#110">110</a>         <em class="jxr_comment">// Build the component array.</em>
<a class="jxr_linenumber" name="111" href="#111">111</a>         components = <strong class="jxr_keyword">new</strong> <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a>[newComponents.size()];
<a class="jxr_linenumber" name="112" href="#112">112</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; components.length; i ++) {
<a class="jxr_linenumber" name="113" href="#113">113</a>             <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> c = newComponents.get(i);
<a class="jxr_linenumber" name="114" href="#114">114</a>             <strong class="jxr_keyword">if</strong> (c.order() != order()) {
<a class="jxr_linenumber" name="115" href="#115">115</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(
<a class="jxr_linenumber" name="116" href="#116">116</a>                         <span class="jxr_string">"All buffers must have the same endianness."</span>);
<a class="jxr_linenumber" name="117" href="#117">117</a>             }
<a class="jxr_linenumber" name="118" href="#118">118</a> 
<a class="jxr_linenumber" name="119" href="#119">119</a>             assert c.readerIndex() == 0;
<a class="jxr_linenumber" name="120" href="#120">120</a>             assert c.writerIndex() == c.capacity();
<a class="jxr_linenumber" name="121" href="#121">121</a> 
<a class="jxr_linenumber" name="122" href="#122">122</a>             components[i] = c;
<a class="jxr_linenumber" name="123" href="#123">123</a>         }
<a class="jxr_linenumber" name="124" href="#124">124</a> 
<a class="jxr_linenumber" name="125" href="#125">125</a>         <em class="jxr_comment">// Build the component lookup table.</em>
<a class="jxr_linenumber" name="126" href="#126">126</a>         indices = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">int</strong>[components.length + 1];
<a class="jxr_linenumber" name="127" href="#127">127</a>         indices[0] = 0;
<a class="jxr_linenumber" name="128" href="#128">128</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 1; i &lt;= components.length; i ++) {
<a class="jxr_linenumber" name="129" href="#129">129</a>             indices[i] = indices[i - 1] + components[i - 1].capacity();
<a class="jxr_linenumber" name="130" href="#130">130</a>         }
<a class="jxr_linenumber" name="131" href="#131">131</a> 
<a class="jxr_linenumber" name="132" href="#132">132</a>         <em class="jxr_comment">// Reset the indexes.</em>
<a class="jxr_linenumber" name="133" href="#133">133</a>         setIndex(0, capacity());
<a class="jxr_linenumber" name="134" href="#134">134</a>     }
<a class="jxr_linenumber" name="135" href="#135">135</a> 
<a class="jxr_linenumber" name="136" href="#136">136</a>     <strong class="jxr_keyword">private</strong> <a href="../../../../org/jboss/netty/buffer/CompositeChannelBuffer.html">CompositeChannelBuffer</a>(<a href="../../../../org/jboss/netty/buffer/CompositeChannelBuffer.html">CompositeChannelBuffer</a> buffer) {
<a class="jxr_linenumber" name="137" href="#137">137</a>         order = buffer.order;
<a class="jxr_linenumber" name="138" href="#138">138</a>         components = buffer.components.clone();
<a class="jxr_linenumber" name="139" href="#139">139</a>         indices = buffer.indices.clone();
<a class="jxr_linenumber" name="140" href="#140">140</a>         setIndex(buffer.readerIndex(), buffer.writerIndex());
<a class="jxr_linenumber" name="141" href="#141">141</a>     }
<a class="jxr_linenumber" name="142" href="#142">142</a> 
<a class="jxr_linenumber" name="143" href="#143">143</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/buffer/ChannelBufferFactory.html">ChannelBufferFactory</a> factory() {
<a class="jxr_linenumber" name="144" href="#144">144</a>         <strong class="jxr_keyword">return</strong> HeapChannelBufferFactory.getInstance(order());
<a class="jxr_linenumber" name="145" href="#145">145</a>     }
<a class="jxr_linenumber" name="146" href="#146">146</a> 
<a class="jxr_linenumber" name="147" href="#147">147</a>     <strong class="jxr_keyword">public</strong> ByteOrder order() {
<a class="jxr_linenumber" name="148" href="#148">148</a>         <strong class="jxr_keyword">return</strong> order;
<a class="jxr_linenumber" name="149" href="#149">149</a>     }
<a class="jxr_linenumber" name="150" href="#150">150</a> 
<a class="jxr_linenumber" name="151" href="#151">151</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isDirect() {
<a class="jxr_linenumber" name="152" href="#152">152</a>         <strong class="jxr_keyword">return</strong> false;
<a class="jxr_linenumber" name="153" href="#153">153</a>     }
<a class="jxr_linenumber" name="154" href="#154">154</a> 
<a class="jxr_linenumber" name="155" href="#155">155</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> hasArray() {
<a class="jxr_linenumber" name="156" href="#156">156</a>         <strong class="jxr_keyword">return</strong> false;
<a class="jxr_linenumber" name="157" href="#157">157</a>     }
<a class="jxr_linenumber" name="158" href="#158">158</a> 
<a class="jxr_linenumber" name="159" href="#159">159</a>     <strong class="jxr_keyword">public</strong> byte[] array() {
<a class="jxr_linenumber" name="160" href="#160">160</a>         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException();
<a class="jxr_linenumber" name="161" href="#161">161</a>     }
<a class="jxr_linenumber" name="162" href="#162">162</a> 
<a class="jxr_linenumber" name="163" href="#163">163</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> arrayOffset() {
<a class="jxr_linenumber" name="164" href="#164">164</a>         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException();
<a class="jxr_linenumber" name="165" href="#165">165</a>     }
<a class="jxr_linenumber" name="166" href="#166">166</a> 
<a class="jxr_linenumber" name="167" href="#167">167</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> capacity() {
<a class="jxr_linenumber" name="168" href="#168">168</a>         <strong class="jxr_keyword">return</strong> indices[components.length];
<a class="jxr_linenumber" name="169" href="#169">169</a>     }
<a class="jxr_linenumber" name="170" href="#170">170</a> 
<a class="jxr_linenumber" name="171" href="#171">171</a>     <strong class="jxr_keyword">public</strong> byte getByte(<strong class="jxr_keyword">int</strong> index) {
<a class="jxr_linenumber" name="172" href="#172">172</a>         <strong class="jxr_keyword">int</strong> componentId = componentId(index);
<a class="jxr_linenumber" name="173" href="#173">173</a>         <strong class="jxr_keyword">return</strong> components[componentId].getByte(index - indices[componentId]);
<a class="jxr_linenumber" name="174" href="#174">174</a>     }
<a class="jxr_linenumber" name="175" href="#175">175</a> 
<a class="jxr_linenumber" name="176" href="#176">176</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">short</strong> getShort(<strong class="jxr_keyword">int</strong> index) {
<a class="jxr_linenumber" name="177" href="#177">177</a>         <strong class="jxr_keyword">int</strong> componentId = componentId(index);
<a class="jxr_linenumber" name="178" href="#178">178</a>         <strong class="jxr_keyword">if</strong> (index + 2 &lt;= indices[componentId + 1]) {
<a class="jxr_linenumber" name="179" href="#179">179</a>             <strong class="jxr_keyword">return</strong> components[componentId].getShort(index - indices[componentId]);
<a class="jxr_linenumber" name="180" href="#180">180</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (order() == ByteOrder.BIG_ENDIAN) {
<a class="jxr_linenumber" name="181" href="#181">181</a>             <strong class="jxr_keyword">return</strong> (<strong class="jxr_keyword">short</strong>) ((getByte(index) &amp; 0xff) &lt;&lt; 8 | getByte(index + 1) &amp; 0xff);
<a class="jxr_linenumber" name="182" href="#182">182</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="183" href="#183">183</a>             <strong class="jxr_keyword">return</strong> (<strong class="jxr_keyword">short</strong>) (getByte(index) &amp; 0xff | (getByte(index + 1) &amp; 0xff) &lt;&lt; 8);
<a class="jxr_linenumber" name="184" href="#184">184</a>         }
<a class="jxr_linenumber" name="185" href="#185">185</a>     }
<a class="jxr_linenumber" name="186" href="#186">186</a> 
<a class="jxr_linenumber" name="187" href="#187">187</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getUnsignedMedium(<strong class="jxr_keyword">int</strong> index) {
<a class="jxr_linenumber" name="188" href="#188">188</a>         <strong class="jxr_keyword">int</strong> componentId = componentId(index);
<a class="jxr_linenumber" name="189" href="#189">189</a>         <strong class="jxr_keyword">if</strong> (index + 3 &lt;= indices[componentId + 1]) {
<a class="jxr_linenumber" name="190" href="#190">190</a>             <strong class="jxr_keyword">return</strong> components[componentId].getUnsignedMedium(index - indices[componentId]);
<a class="jxr_linenumber" name="191" href="#191">191</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (order() == ByteOrder.BIG_ENDIAN) {
<a class="jxr_linenumber" name="192" href="#192">192</a>             <strong class="jxr_keyword">return</strong> (getShort(index) &amp; 0xffff) &lt;&lt; 8 | getByte(index + 2) &amp; 0xff;
<a class="jxr_linenumber" name="193" href="#193">193</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="194" href="#194">194</a>             <strong class="jxr_keyword">return</strong> getShort(index) &amp; 0xFFFF | (getByte(index + 2) &amp; 0xFF) &lt;&lt; 16;
<a class="jxr_linenumber" name="195" href="#195">195</a>         }
<a class="jxr_linenumber" name="196" href="#196">196</a>     }
<a class="jxr_linenumber" name="197" href="#197">197</a> 
<a class="jxr_linenumber" name="198" href="#198">198</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getInt(<strong class="jxr_keyword">int</strong> index) {
<a class="jxr_linenumber" name="199" href="#199">199</a>         <strong class="jxr_keyword">int</strong> componentId = componentId(index);
<a class="jxr_linenumber" name="200" href="#200">200</a>         <strong class="jxr_keyword">if</strong> (index + 4 &lt;= indices[componentId + 1]) {
<a class="jxr_linenumber" name="201" href="#201">201</a>             <strong class="jxr_keyword">return</strong> components[componentId].getInt(index - indices[componentId]);
<a class="jxr_linenumber" name="202" href="#202">202</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (order() == ByteOrder.BIG_ENDIAN) {
<a class="jxr_linenumber" name="203" href="#203">203</a>             <strong class="jxr_keyword">return</strong> (getShort(index) &amp; 0xffff) &lt;&lt; 16 | getShort(index + 2) &amp; 0xffff;
<a class="jxr_linenumber" name="204" href="#204">204</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="205" href="#205">205</a>             <strong class="jxr_keyword">return</strong> getShort(index) &amp; 0xFFFF | (getShort(index + 2) &amp; 0xFFFF) &lt;&lt; 16;
<a class="jxr_linenumber" name="206" href="#206">206</a>         }
<a class="jxr_linenumber" name="207" href="#207">207</a>     }
<a class="jxr_linenumber" name="208" href="#208">208</a> 
<a class="jxr_linenumber" name="209" href="#209">209</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getLong(<strong class="jxr_keyword">int</strong> index) {
<a class="jxr_linenumber" name="210" href="#210">210</a>         <strong class="jxr_keyword">int</strong> componentId = componentId(index);
<a class="jxr_linenumber" name="211" href="#211">211</a>         <strong class="jxr_keyword">if</strong> (index + 8 &lt;= indices[componentId + 1]) {
<a class="jxr_linenumber" name="212" href="#212">212</a>             <strong class="jxr_keyword">return</strong> components[componentId].getLong(index - indices[componentId]);
<a class="jxr_linenumber" name="213" href="#213">213</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (order() == ByteOrder.BIG_ENDIAN) {
<a class="jxr_linenumber" name="214" href="#214">214</a>             <strong class="jxr_keyword">return</strong> (getInt(index) &amp; 0xffffffffL) &lt;&lt; 32 | getInt(index + 4) &amp; 0xffffffffL;
<a class="jxr_linenumber" name="215" href="#215">215</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="216" href="#216">216</a>             <strong class="jxr_keyword">return</strong> getInt(index) &amp; 0xFFFFFFFFL | (getInt(index + 4) &amp; 0xFFFFFFFFL) &lt;&lt; 32;
<a class="jxr_linenumber" name="217" href="#217">217</a>         }
<a class="jxr_linenumber" name="218" href="#218">218</a>     }
<a class="jxr_linenumber" name="219" href="#219">219</a> 
<a class="jxr_linenumber" name="220" href="#220">220</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> getBytes(<strong class="jxr_keyword">int</strong> index, byte[] dst, <strong class="jxr_keyword">int</strong> dstIndex, <strong class="jxr_keyword">int</strong> length) {
<a class="jxr_linenumber" name="221" href="#221">221</a>         <strong class="jxr_keyword">int</strong> componentId = componentId(index);
<a class="jxr_linenumber" name="222" href="#222">222</a>         <strong class="jxr_keyword">if</strong> (index &gt; capacity() - length || dstIndex &gt; dst.length - length) {
<a class="jxr_linenumber" name="223" href="#223">223</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IndexOutOfBoundsException();
<a class="jxr_linenumber" name="224" href="#224">224</a>         }
<a class="jxr_linenumber" name="225" href="#225">225</a> 
<a class="jxr_linenumber" name="226" href="#226">226</a>         <strong class="jxr_keyword">int</strong> i = componentId;
<a class="jxr_linenumber" name="227" href="#227">227</a>         <strong class="jxr_keyword">while</strong> (length &gt; 0) {
<a class="jxr_linenumber" name="228" href="#228">228</a>             <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> s = components[i];
<a class="jxr_linenumber" name="229" href="#229">229</a>             <strong class="jxr_keyword">int</strong> adjustment = indices[i];
<a class="jxr_linenumber" name="230" href="#230">230</a>             <strong class="jxr_keyword">int</strong> localLength = Math.min(length, s.capacity() - (index - adjustment));
<a class="jxr_linenumber" name="231" href="#231">231</a>             s.getBytes(index - adjustment, dst, dstIndex, localLength);
<a class="jxr_linenumber" name="232" href="#232">232</a>             index += localLength;
<a class="jxr_linenumber" name="233" href="#233">233</a>             dstIndex += localLength;
<a class="jxr_linenumber" name="234" href="#234">234</a>             length -= localLength;
<a class="jxr_linenumber" name="235" href="#235">235</a>             i ++;
<a class="jxr_linenumber" name="236" href="#236">236</a>         }
<a class="jxr_linenumber" name="237" href="#237">237</a>     }
<a class="jxr_linenumber" name="238" href="#238">238</a> 
<a class="jxr_linenumber" name="239" href="#239">239</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> getBytes(<strong class="jxr_keyword">int</strong> index, ByteBuffer dst) {
<a class="jxr_linenumber" name="240" href="#240">240</a>         <strong class="jxr_keyword">int</strong> componentId = componentId(index);
<a class="jxr_linenumber" name="241" href="#241">241</a>         <strong class="jxr_keyword">int</strong> limit = dst.limit();
<a class="jxr_linenumber" name="242" href="#242">242</a>         <strong class="jxr_keyword">int</strong> length = dst.remaining();
<a class="jxr_linenumber" name="243" href="#243">243</a>         <strong class="jxr_keyword">if</strong> (index &gt; capacity() - length) {
<a class="jxr_linenumber" name="244" href="#244">244</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IndexOutOfBoundsException();
<a class="jxr_linenumber" name="245" href="#245">245</a>         }
<a class="jxr_linenumber" name="246" href="#246">246</a> 
<a class="jxr_linenumber" name="247" href="#247">247</a>         <strong class="jxr_keyword">int</strong> i = componentId;
<a class="jxr_linenumber" name="248" href="#248">248</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="249" href="#249">249</a>             <strong class="jxr_keyword">while</strong> (length &gt; 0) {
<a class="jxr_linenumber" name="250" href="#250">250</a>                 <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> s = components[i];
<a class="jxr_linenumber" name="251" href="#251">251</a>                 <strong class="jxr_keyword">int</strong> adjustment = indices[i];
<a class="jxr_linenumber" name="252" href="#252">252</a>                 <strong class="jxr_keyword">int</strong> localLength = Math.min(length, s.capacity() - (index - adjustment));
<a class="jxr_linenumber" name="253" href="#253">253</a>                 dst.limit(dst.position() + localLength);
<a class="jxr_linenumber" name="254" href="#254">254</a>                 s.getBytes(index - adjustment, dst);
<a class="jxr_linenumber" name="255" href="#255">255</a>                 index += localLength;
<a class="jxr_linenumber" name="256" href="#256">256</a>                 length -= localLength;
<a class="jxr_linenumber" name="257" href="#257">257</a>                 i ++;
<a class="jxr_linenumber" name="258" href="#258">258</a>             }
<a class="jxr_linenumber" name="259" href="#259">259</a>         } <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="260" href="#260">260</a>             dst.limit(limit);
<a class="jxr_linenumber" name="261" href="#261">261</a>         }
<a class="jxr_linenumber" name="262" href="#262">262</a>     }
<a class="jxr_linenumber" name="263" href="#263">263</a> 
<a class="jxr_linenumber" name="264" href="#264">264</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> getBytes(<strong class="jxr_keyword">int</strong> index, <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> dst, <strong class="jxr_keyword">int</strong> dstIndex, <strong class="jxr_keyword">int</strong> length) {
<a class="jxr_linenumber" name="265" href="#265">265</a>         <strong class="jxr_keyword">int</strong> componentId = componentId(index);
<a class="jxr_linenumber" name="266" href="#266">266</a>         <strong class="jxr_keyword">if</strong> (index &gt; capacity() - length || dstIndex &gt; dst.capacity() - length) {
<a class="jxr_linenumber" name="267" href="#267">267</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IndexOutOfBoundsException();
<a class="jxr_linenumber" name="268" href="#268">268</a>         }
<a class="jxr_linenumber" name="269" href="#269">269</a> 
<a class="jxr_linenumber" name="270" href="#270">270</a>         <strong class="jxr_keyword">int</strong> i = componentId;
<a class="jxr_linenumber" name="271" href="#271">271</a>         <strong class="jxr_keyword">while</strong> (length &gt; 0) {
<a class="jxr_linenumber" name="272" href="#272">272</a>             <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> s = components[i];
<a class="jxr_linenumber" name="273" href="#273">273</a>             <strong class="jxr_keyword">int</strong> adjustment = indices[i];
<a class="jxr_linenumber" name="274" href="#274">274</a>             <strong class="jxr_keyword">int</strong> localLength = Math.min(length, s.capacity() - (index - adjustment));
<a class="jxr_linenumber" name="275" href="#275">275</a>             s.getBytes(index - adjustment, dst, dstIndex, localLength);
<a class="jxr_linenumber" name="276" href="#276">276</a>             index += localLength;
<a class="jxr_linenumber" name="277" href="#277">277</a>             dstIndex += localLength;
<a class="jxr_linenumber" name="278" href="#278">278</a>             length -= localLength;
<a class="jxr_linenumber" name="279" href="#279">279</a>             i ++;
<a class="jxr_linenumber" name="280" href="#280">280</a>         }
<a class="jxr_linenumber" name="281" href="#281">281</a>     }
<a class="jxr_linenumber" name="282" href="#282">282</a> 
<a class="jxr_linenumber" name="283" href="#283">283</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getBytes(<strong class="jxr_keyword">int</strong> index, GatheringByteChannel out, <strong class="jxr_keyword">int</strong> length)
<a class="jxr_linenumber" name="284" href="#284">284</a>             <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="285" href="#285">285</a>         <em class="jxr_comment">// XXX Gathering write is not supported because of a known issue.</em>
<a class="jxr_linenumber" name="286" href="#286">286</a>         <em class="jxr_comment">//     See http://bugs.sun.com/view_bug.do?bug_id=6210541</em>
<a class="jxr_linenumber" name="287" href="#287">287</a>         <em class="jxr_comment">//     This issue appeared in 2004 and is still unresolved!?</em>
<a class="jxr_linenumber" name="288" href="#288">288</a>         <strong class="jxr_keyword">return</strong> out.write(toByteBuffer(index, length));
<a class="jxr_linenumber" name="289" href="#289">289</a>     }
<a class="jxr_linenumber" name="290" href="#290">290</a> 
<a class="jxr_linenumber" name="291" href="#291">291</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> getBytes(<strong class="jxr_keyword">int</strong> index, OutputStream out, <strong class="jxr_keyword">int</strong> length)
<a class="jxr_linenumber" name="292" href="#292">292</a>             <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="293" href="#293">293</a>         <strong class="jxr_keyword">int</strong> componentId = componentId(index);
<a class="jxr_linenumber" name="294" href="#294">294</a>         <strong class="jxr_keyword">if</strong> (index &gt; capacity() - length) {
<a class="jxr_linenumber" name="295" href="#295">295</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IndexOutOfBoundsException();
<a class="jxr_linenumber" name="296" href="#296">296</a>         }
<a class="jxr_linenumber" name="297" href="#297">297</a> 
<a class="jxr_linenumber" name="298" href="#298">298</a>         <strong class="jxr_keyword">int</strong> i = componentId;
<a class="jxr_linenumber" name="299" href="#299">299</a>         <strong class="jxr_keyword">while</strong> (length &gt; 0) {
<a class="jxr_linenumber" name="300" href="#300">300</a>             <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> s = components[i];
<a class="jxr_linenumber" name="301" href="#301">301</a>             <strong class="jxr_keyword">int</strong> adjustment = indices[i];
<a class="jxr_linenumber" name="302" href="#302">302</a>             <strong class="jxr_keyword">int</strong> localLength = Math.min(length, s.capacity() - (index - adjustment));
<a class="jxr_linenumber" name="303" href="#303">303</a>             s.getBytes(index - adjustment, out, localLength);
<a class="jxr_linenumber" name="304" href="#304">304</a>             index += localLength;
<a class="jxr_linenumber" name="305" href="#305">305</a>             length -= localLength;
<a class="jxr_linenumber" name="306" href="#306">306</a>             i ++;
<a class="jxr_linenumber" name="307" href="#307">307</a>         }
<a class="jxr_linenumber" name="308" href="#308">308</a>     }
<a class="jxr_linenumber" name="309" href="#309">309</a> 
<a class="jxr_linenumber" name="310" href="#310">310</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setByte(<strong class="jxr_keyword">int</strong> index, <strong class="jxr_keyword">int</strong> value) {
<a class="jxr_linenumber" name="311" href="#311">311</a>         <strong class="jxr_keyword">int</strong> componentId = componentId(index);
<a class="jxr_linenumber" name="312" href="#312">312</a>         components[componentId].setByte(index - indices[componentId], value);
<a class="jxr_linenumber" name="313" href="#313">313</a>     }
<a class="jxr_linenumber" name="314" href="#314">314</a> 
<a class="jxr_linenumber" name="315" href="#315">315</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setShort(<strong class="jxr_keyword">int</strong> index, <strong class="jxr_keyword">int</strong> value) {
<a class="jxr_linenumber" name="316" href="#316">316</a>         <strong class="jxr_keyword">int</strong> componentId = componentId(index);
<a class="jxr_linenumber" name="317" href="#317">317</a>         <strong class="jxr_keyword">if</strong> (index + 2 &lt;= indices[componentId + 1]) {
<a class="jxr_linenumber" name="318" href="#318">318</a>             components[componentId].setShort(index - indices[componentId], value);
<a class="jxr_linenumber" name="319" href="#319">319</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (order() == ByteOrder.BIG_ENDIAN) {
<a class="jxr_linenumber" name="320" href="#320">320</a>             setByte(index, (byte) (value &gt;&gt;&gt; 8));
<a class="jxr_linenumber" name="321" href="#321">321</a>             setByte(index + 1, (byte) value);
<a class="jxr_linenumber" name="322" href="#322">322</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="323" href="#323">323</a>             setByte(index    , (byte) value);
<a class="jxr_linenumber" name="324" href="#324">324</a>             setByte(index + 1, (byte) (value &gt;&gt;&gt; 8));
<a class="jxr_linenumber" name="325" href="#325">325</a>         }
<a class="jxr_linenumber" name="326" href="#326">326</a>     }
<a class="jxr_linenumber" name="327" href="#327">327</a> 
<a class="jxr_linenumber" name="328" href="#328">328</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setMedium(<strong class="jxr_keyword">int</strong> index, <strong class="jxr_keyword">int</strong> value) {
<a class="jxr_linenumber" name="329" href="#329">329</a>         <strong class="jxr_keyword">int</strong> componentId = componentId(index);
<a class="jxr_linenumber" name="330" href="#330">330</a>         <strong class="jxr_keyword">if</strong> (index + 3 &lt;= indices[componentId + 1]) {
<a class="jxr_linenumber" name="331" href="#331">331</a>             components[componentId].setMedium(index - indices[componentId], value);
<a class="jxr_linenumber" name="332" href="#332">332</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (order() == ByteOrder.BIG_ENDIAN) {
<a class="jxr_linenumber" name="333" href="#333">333</a>             setShort(index, (<strong class="jxr_keyword">short</strong>) (value &gt;&gt; 8));
<a class="jxr_linenumber" name="334" href="#334">334</a>             setByte(index + 2, (byte) value);
<a class="jxr_linenumber" name="335" href="#335">335</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="336" href="#336">336</a>             setShort(index    , (<strong class="jxr_keyword">short</strong>) value);
<a class="jxr_linenumber" name="337" href="#337">337</a>             setByte (index + 2, (byte) (value &gt;&gt;&gt; 16));
<a class="jxr_linenumber" name="338" href="#338">338</a>         }
<a class="jxr_linenumber" name="339" href="#339">339</a>     }
<a class="jxr_linenumber" name="340" href="#340">340</a> 
<a class="jxr_linenumber" name="341" href="#341">341</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setInt(<strong class="jxr_keyword">int</strong> index, <strong class="jxr_keyword">int</strong> value) {
<a class="jxr_linenumber" name="342" href="#342">342</a>         <strong class="jxr_keyword">int</strong> componentId = componentId(index);
<a class="jxr_linenumber" name="343" href="#343">343</a>         <strong class="jxr_keyword">if</strong> (index + 4 &lt;= indices[componentId + 1]) {
<a class="jxr_linenumber" name="344" href="#344">344</a>             components[componentId].setInt(index - indices[componentId], value);
<a class="jxr_linenumber" name="345" href="#345">345</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (order() == ByteOrder.BIG_ENDIAN) {
<a class="jxr_linenumber" name="346" href="#346">346</a>             setShort(index, (<strong class="jxr_keyword">short</strong>) (value &gt;&gt;&gt; 16));
<a class="jxr_linenumber" name="347" href="#347">347</a>             setShort(index + 2, (<strong class="jxr_keyword">short</strong>) value);
<a class="jxr_linenumber" name="348" href="#348">348</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="349" href="#349">349</a>             setShort(index    , (<strong class="jxr_keyword">short</strong>) value);
<a class="jxr_linenumber" name="350" href="#350">350</a>             setShort(index + 2, (<strong class="jxr_keyword">short</strong>) (value &gt;&gt;&gt; 16));
<a class="jxr_linenumber" name="351" href="#351">351</a>         }
<a class="jxr_linenumber" name="352" href="#352">352</a>     }
<a class="jxr_linenumber" name="353" href="#353">353</a> 
<a class="jxr_linenumber" name="354" href="#354">354</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setLong(<strong class="jxr_keyword">int</strong> index, <strong class="jxr_keyword">long</strong> value) {
<a class="jxr_linenumber" name="355" href="#355">355</a>         <strong class="jxr_keyword">int</strong> componentId = componentId(index);
<a class="jxr_linenumber" name="356" href="#356">356</a>         <strong class="jxr_keyword">if</strong> (index + 8 &lt;= indices[componentId + 1]) {
<a class="jxr_linenumber" name="357" href="#357">357</a>             components[componentId].setLong(index - indices[componentId], value);
<a class="jxr_linenumber" name="358" href="#358">358</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (order() == ByteOrder.BIG_ENDIAN) {
<a class="jxr_linenumber" name="359" href="#359">359</a>             setInt(index, (<strong class="jxr_keyword">int</strong>) (value &gt;&gt;&gt; 32));
<a class="jxr_linenumber" name="360" href="#360">360</a>             setInt(index + 4, (<strong class="jxr_keyword">int</strong>) value);
<a class="jxr_linenumber" name="361" href="#361">361</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="362" href="#362">362</a>             setInt(index    , (<strong class="jxr_keyword">int</strong>) value);
<a class="jxr_linenumber" name="363" href="#363">363</a>             setInt(index + 4, (<strong class="jxr_keyword">int</strong>) (value &gt;&gt;&gt; 32));
<a class="jxr_linenumber" name="364" href="#364">364</a>         }
<a class="jxr_linenumber" name="365" href="#365">365</a>     }
<a class="jxr_linenumber" name="366" href="#366">366</a> 
<a class="jxr_linenumber" name="367" href="#367">367</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setBytes(<strong class="jxr_keyword">int</strong> index, byte[] src, <strong class="jxr_keyword">int</strong> srcIndex, <strong class="jxr_keyword">int</strong> length) {
<a class="jxr_linenumber" name="368" href="#368">368</a>         <strong class="jxr_keyword">int</strong> componentId = componentId(index);
<a class="jxr_linenumber" name="369" href="#369">369</a>         <strong class="jxr_keyword">if</strong> (index &gt; capacity() - length || srcIndex &gt; src.length - length) {
<a class="jxr_linenumber" name="370" href="#370">370</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IndexOutOfBoundsException();
<a class="jxr_linenumber" name="371" href="#371">371</a>         }
<a class="jxr_linenumber" name="372" href="#372">372</a> 
<a class="jxr_linenumber" name="373" href="#373">373</a>         <strong class="jxr_keyword">int</strong> i = componentId;
<a class="jxr_linenumber" name="374" href="#374">374</a>         <strong class="jxr_keyword">while</strong> (length &gt; 0) {
<a class="jxr_linenumber" name="375" href="#375">375</a>             <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> s = components[i];
<a class="jxr_linenumber" name="376" href="#376">376</a>             <strong class="jxr_keyword">int</strong> adjustment = indices[i];
<a class="jxr_linenumber" name="377" href="#377">377</a>             <strong class="jxr_keyword">int</strong> localLength = Math.min(length, s.capacity() - (index - adjustment));
<a class="jxr_linenumber" name="378" href="#378">378</a>             s.setBytes(index - adjustment, src, srcIndex, localLength);
<a class="jxr_linenumber" name="379" href="#379">379</a>             index += localLength;
<a class="jxr_linenumber" name="380" href="#380">380</a>             srcIndex += localLength;
<a class="jxr_linenumber" name="381" href="#381">381</a>             length -= localLength;
<a class="jxr_linenumber" name="382" href="#382">382</a>             i ++;
<a class="jxr_linenumber" name="383" href="#383">383</a>         }
<a class="jxr_linenumber" name="384" href="#384">384</a>     }
<a class="jxr_linenumber" name="385" href="#385">385</a> 
<a class="jxr_linenumber" name="386" href="#386">386</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setBytes(<strong class="jxr_keyword">int</strong> index, ByteBuffer src) {
<a class="jxr_linenumber" name="387" href="#387">387</a>         <strong class="jxr_keyword">int</strong> componentId = componentId(index);
<a class="jxr_linenumber" name="388" href="#388">388</a>         <strong class="jxr_keyword">int</strong> limit = src.limit();
<a class="jxr_linenumber" name="389" href="#389">389</a>         <strong class="jxr_keyword">int</strong> length = src.remaining();
<a class="jxr_linenumber" name="390" href="#390">390</a>         <strong class="jxr_keyword">if</strong> (index &gt; capacity() - length) {
<a class="jxr_linenumber" name="391" href="#391">391</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IndexOutOfBoundsException();
<a class="jxr_linenumber" name="392" href="#392">392</a>         }
<a class="jxr_linenumber" name="393" href="#393">393</a> 
<a class="jxr_linenumber" name="394" href="#394">394</a>         <strong class="jxr_keyword">int</strong> i = componentId;
<a class="jxr_linenumber" name="395" href="#395">395</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="396" href="#396">396</a>             <strong class="jxr_keyword">while</strong> (length &gt; 0) {
<a class="jxr_linenumber" name="397" href="#397">397</a>                 <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> s = components[i];
<a class="jxr_linenumber" name="398" href="#398">398</a>                 <strong class="jxr_keyword">int</strong> adjustment = indices[i];
<a class="jxr_linenumber" name="399" href="#399">399</a>                 <strong class="jxr_keyword">int</strong> localLength = Math.min(length, s.capacity() - (index - adjustment));
<a class="jxr_linenumber" name="400" href="#400">400</a>                 src.limit(src.position() + localLength);
<a class="jxr_linenumber" name="401" href="#401">401</a>                 s.setBytes(index - adjustment, src);
<a class="jxr_linenumber" name="402" href="#402">402</a>                 index += localLength;
<a class="jxr_linenumber" name="403" href="#403">403</a>                 length -= localLength;
<a class="jxr_linenumber" name="404" href="#404">404</a>                 i ++;
<a class="jxr_linenumber" name="405" href="#405">405</a>             }
<a class="jxr_linenumber" name="406" href="#406">406</a>         } <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="407" href="#407">407</a>             src.limit(limit);
<a class="jxr_linenumber" name="408" href="#408">408</a>         }
<a class="jxr_linenumber" name="409" href="#409">409</a>     }
<a class="jxr_linenumber" name="410" href="#410">410</a> 
<a class="jxr_linenumber" name="411" href="#411">411</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setBytes(<strong class="jxr_keyword">int</strong> index, <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> src, <strong class="jxr_keyword">int</strong> srcIndex, <strong class="jxr_keyword">int</strong> length) {
<a class="jxr_linenumber" name="412" href="#412">412</a>         <strong class="jxr_keyword">int</strong> componentId = componentId(index);
<a class="jxr_linenumber" name="413" href="#413">413</a>         <strong class="jxr_keyword">if</strong> (index &gt; capacity() - length || srcIndex &gt; src.capacity() - length) {
<a class="jxr_linenumber" name="414" href="#414">414</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IndexOutOfBoundsException();
<a class="jxr_linenumber" name="415" href="#415">415</a>         }
<a class="jxr_linenumber" name="416" href="#416">416</a> 
<a class="jxr_linenumber" name="417" href="#417">417</a>         <strong class="jxr_keyword">int</strong> i = componentId;
<a class="jxr_linenumber" name="418" href="#418">418</a>         <strong class="jxr_keyword">while</strong> (length &gt; 0) {
<a class="jxr_linenumber" name="419" href="#419">419</a>             <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> s = components[i];
<a class="jxr_linenumber" name="420" href="#420">420</a>             <strong class="jxr_keyword">int</strong> adjustment = indices[i];
<a class="jxr_linenumber" name="421" href="#421">421</a>             <strong class="jxr_keyword">int</strong> localLength = Math.min(length, s.capacity() - (index - adjustment));
<a class="jxr_linenumber" name="422" href="#422">422</a>             s.setBytes(index - adjustment, src, srcIndex, localLength);
<a class="jxr_linenumber" name="423" href="#423">423</a>             index += localLength;
<a class="jxr_linenumber" name="424" href="#424">424</a>             srcIndex += localLength;
<a class="jxr_linenumber" name="425" href="#425">425</a>             length -= localLength;
<a class="jxr_linenumber" name="426" href="#426">426</a>             i ++;
<a class="jxr_linenumber" name="427" href="#427">427</a>         }
<a class="jxr_linenumber" name="428" href="#428">428</a>     }
<a class="jxr_linenumber" name="429" href="#429">429</a> 
<a class="jxr_linenumber" name="430" href="#430">430</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> setBytes(<strong class="jxr_keyword">int</strong> index, InputStream in, <strong class="jxr_keyword">int</strong> length)
<a class="jxr_linenumber" name="431" href="#431">431</a>             <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="432" href="#432">432</a>         <strong class="jxr_keyword">int</strong> componentId = componentId(index);
<a class="jxr_linenumber" name="433" href="#433">433</a>         <strong class="jxr_keyword">if</strong> (index &gt; capacity() - length) {
<a class="jxr_linenumber" name="434" href="#434">434</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IndexOutOfBoundsException();
<a class="jxr_linenumber" name="435" href="#435">435</a>         }
<a class="jxr_linenumber" name="436" href="#436">436</a> 
<a class="jxr_linenumber" name="437" href="#437">437</a>         <strong class="jxr_keyword">int</strong> i = componentId;
<a class="jxr_linenumber" name="438" href="#438">438</a>         <strong class="jxr_keyword">int</strong> readBytes = 0;
<a class="jxr_linenumber" name="439" href="#439">439</a> 
<a class="jxr_linenumber" name="440" href="#440">440</a>         <strong class="jxr_keyword">do</strong> {
<a class="jxr_linenumber" name="441" href="#441">441</a>             <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> s = components[i];
<a class="jxr_linenumber" name="442" href="#442">442</a>             <strong class="jxr_keyword">int</strong> adjustment = indices[i];
<a class="jxr_linenumber" name="443" href="#443">443</a>             <strong class="jxr_keyword">int</strong> localLength = Math.min(length, s.capacity() - (index - adjustment));
<a class="jxr_linenumber" name="444" href="#444">444</a>             <strong class="jxr_keyword">int</strong> localReadBytes = s.setBytes(index - adjustment, in, localLength);
<a class="jxr_linenumber" name="445" href="#445">445</a>             <strong class="jxr_keyword">if</strong> (localReadBytes &lt; 0) {
<a class="jxr_linenumber" name="446" href="#446">446</a>                 <strong class="jxr_keyword">if</strong> (readBytes == 0) {
<a class="jxr_linenumber" name="447" href="#447">447</a>                     <strong class="jxr_keyword">return</strong> -1;
<a class="jxr_linenumber" name="448" href="#448">448</a>                 } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="449" href="#449">449</a>                     <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="450" href="#450">450</a>                 }
<a class="jxr_linenumber" name="451" href="#451">451</a>             }
<a class="jxr_linenumber" name="452" href="#452">452</a> 
<a class="jxr_linenumber" name="453" href="#453">453</a>             <strong class="jxr_keyword">if</strong> (localReadBytes == localLength) {
<a class="jxr_linenumber" name="454" href="#454">454</a>                 index += localLength;
<a class="jxr_linenumber" name="455" href="#455">455</a>                 length -= localLength;
<a class="jxr_linenumber" name="456" href="#456">456</a>                 readBytes += localLength;
<a class="jxr_linenumber" name="457" href="#457">457</a>                 i ++;
<a class="jxr_linenumber" name="458" href="#458">458</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="459" href="#459">459</a>                 index += localReadBytes;
<a class="jxr_linenumber" name="460" href="#460">460</a>                 length -= localReadBytes;
<a class="jxr_linenumber" name="461" href="#461">461</a>                 readBytes += localReadBytes;
<a class="jxr_linenumber" name="462" href="#462">462</a>             }
<a class="jxr_linenumber" name="463" href="#463">463</a>         } <strong class="jxr_keyword">while</strong> (length &gt; 0);
<a class="jxr_linenumber" name="464" href="#464">464</a> 
<a class="jxr_linenumber" name="465" href="#465">465</a>         <strong class="jxr_keyword">return</strong> readBytes;
<a class="jxr_linenumber" name="466" href="#466">466</a>     }
<a class="jxr_linenumber" name="467" href="#467">467</a> 
<a class="jxr_linenumber" name="468" href="#468">468</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> setBytes(<strong class="jxr_keyword">int</strong> index, ScatteringByteChannel in, <strong class="jxr_keyword">int</strong> length)
<a class="jxr_linenumber" name="469" href="#469">469</a>             <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="470" href="#470">470</a>         <strong class="jxr_keyword">int</strong> componentId = componentId(index);
<a class="jxr_linenumber" name="471" href="#471">471</a>         <strong class="jxr_keyword">if</strong> (index &gt; capacity() - length) {
<a class="jxr_linenumber" name="472" href="#472">472</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IndexOutOfBoundsException();
<a class="jxr_linenumber" name="473" href="#473">473</a>         }
<a class="jxr_linenumber" name="474" href="#474">474</a> 
<a class="jxr_linenumber" name="475" href="#475">475</a>         <strong class="jxr_keyword">int</strong> i = componentId;
<a class="jxr_linenumber" name="476" href="#476">476</a>         <strong class="jxr_keyword">int</strong> readBytes = 0;
<a class="jxr_linenumber" name="477" href="#477">477</a>         <strong class="jxr_keyword">do</strong> {
<a class="jxr_linenumber" name="478" href="#478">478</a>             <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> s = components[i];
<a class="jxr_linenumber" name="479" href="#479">479</a>             <strong class="jxr_keyword">int</strong> adjustment = indices[i];
<a class="jxr_linenumber" name="480" href="#480">480</a>             <strong class="jxr_keyword">int</strong> localLength = Math.min(length, s.capacity() - (index - adjustment));
<a class="jxr_linenumber" name="481" href="#481">481</a>             <strong class="jxr_keyword">int</strong> localReadBytes = s.setBytes(index - adjustment, in, localLength);
<a class="jxr_linenumber" name="482" href="#482">482</a> 
<a class="jxr_linenumber" name="483" href="#483">483</a>             <strong class="jxr_keyword">if</strong> (localReadBytes == localLength) {
<a class="jxr_linenumber" name="484" href="#484">484</a>                 index += localLength;
<a class="jxr_linenumber" name="485" href="#485">485</a>                 length -= localLength;
<a class="jxr_linenumber" name="486" href="#486">486</a>                 readBytes += localLength;
<a class="jxr_linenumber" name="487" href="#487">487</a>                 i ++;
<a class="jxr_linenumber" name="488" href="#488">488</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="489" href="#489">489</a>                 index += localReadBytes;
<a class="jxr_linenumber" name="490" href="#490">490</a>                 length -= localReadBytes;
<a class="jxr_linenumber" name="491" href="#491">491</a>                 readBytes += localReadBytes;
<a class="jxr_linenumber" name="492" href="#492">492</a>             }
<a class="jxr_linenumber" name="493" href="#493">493</a>         } <strong class="jxr_keyword">while</strong> (length &gt; 0);
<a class="jxr_linenumber" name="494" href="#494">494</a> 
<a class="jxr_linenumber" name="495" href="#495">495</a>         <strong class="jxr_keyword">return</strong> readBytes;
<a class="jxr_linenumber" name="496" href="#496">496</a>     }
<a class="jxr_linenumber" name="497" href="#497">497</a> 
<a class="jxr_linenumber" name="498" href="#498">498</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> duplicate() {
<a class="jxr_linenumber" name="499" href="#499">499</a>         <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> duplicate = <strong class="jxr_keyword">new</strong> <a href="../../../../org/jboss/netty/buffer/CompositeChannelBuffer.html">CompositeChannelBuffer</a>(<strong class="jxr_keyword">this</strong>);
<a class="jxr_linenumber" name="500" href="#500">500</a>         duplicate.setIndex(readerIndex(), writerIndex());
<a class="jxr_linenumber" name="501" href="#501">501</a>         <strong class="jxr_keyword">return</strong> duplicate;
<a class="jxr_linenumber" name="502" href="#502">502</a>     }
<a class="jxr_linenumber" name="503" href="#503">503</a> 
<a class="jxr_linenumber" name="504" href="#504">504</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> copy(<strong class="jxr_keyword">int</strong> index, <strong class="jxr_keyword">int</strong> length) {
<a class="jxr_linenumber" name="505" href="#505">505</a>         <strong class="jxr_keyword">int</strong> componentId = componentId(index);
<a class="jxr_linenumber" name="506" href="#506">506</a>         <strong class="jxr_keyword">if</strong> (index &gt; capacity() - length) {
<a class="jxr_linenumber" name="507" href="#507">507</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IndexOutOfBoundsException();
<a class="jxr_linenumber" name="508" href="#508">508</a>         }
<a class="jxr_linenumber" name="509" href="#509">509</a> 
<a class="jxr_linenumber" name="510" href="#510">510</a>         <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> dst = factory().getBuffer(order(), length);
<a class="jxr_linenumber" name="511" href="#511">511</a>         copyTo(index, length, componentId, dst);
<a class="jxr_linenumber" name="512" href="#512">512</a>         <strong class="jxr_keyword">return</strong> dst;
<a class="jxr_linenumber" name="513" href="#513">513</a>     }
<a class="jxr_linenumber" name="514" href="#514">514</a> 
<a class="jxr_linenumber" name="515" href="#515">515</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> copyTo(<strong class="jxr_keyword">int</strong> index, <strong class="jxr_keyword">int</strong> length, <strong class="jxr_keyword">int</strong> componentId, <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> dst) {
<a class="jxr_linenumber" name="516" href="#516">516</a>         <strong class="jxr_keyword">int</strong> dstIndex = 0;
<a class="jxr_linenumber" name="517" href="#517">517</a>         <strong class="jxr_keyword">int</strong> i = componentId;
<a class="jxr_linenumber" name="518" href="#518">518</a> 
<a class="jxr_linenumber" name="519" href="#519">519</a>         <strong class="jxr_keyword">while</strong> (length &gt; 0) {
<a class="jxr_linenumber" name="520" href="#520">520</a>             <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> s = components[i];
<a class="jxr_linenumber" name="521" href="#521">521</a>             <strong class="jxr_keyword">int</strong> adjustment = indices[i];
<a class="jxr_linenumber" name="522" href="#522">522</a>             <strong class="jxr_keyword">int</strong> localLength = Math.min(length, s.capacity() - (index - adjustment));
<a class="jxr_linenumber" name="523" href="#523">523</a>             s.getBytes(index - adjustment, dst, dstIndex, localLength);
<a class="jxr_linenumber" name="524" href="#524">524</a>             index += localLength;
<a class="jxr_linenumber" name="525" href="#525">525</a>             dstIndex += localLength;
<a class="jxr_linenumber" name="526" href="#526">526</a>             length -= localLength;
<a class="jxr_linenumber" name="527" href="#527">527</a>             i ++;
<a class="jxr_linenumber" name="528" href="#528">528</a>         }
<a class="jxr_linenumber" name="529" href="#529">529</a> 
<a class="jxr_linenumber" name="530" href="#530">530</a>         dst.writerIndex(dst.capacity());
<a class="jxr_linenumber" name="531" href="#531">531</a>     }
<a class="jxr_linenumber" name="532" href="#532">532</a> 
<a class="jxr_linenumber" name="533" href="#533">533</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> slice(<strong class="jxr_keyword">int</strong> index, <strong class="jxr_keyword">int</strong> length) {
<a class="jxr_linenumber" name="534" href="#534">534</a>         <strong class="jxr_keyword">if</strong> (index == 0) {
<a class="jxr_linenumber" name="535" href="#535">535</a>             <strong class="jxr_keyword">if</strong> (length == 0) {
<a class="jxr_linenumber" name="536" href="#536">536</a>                 <strong class="jxr_keyword">return</strong> ChannelBuffers.EMPTY_BUFFER;
<a class="jxr_linenumber" name="537" href="#537">537</a>             }
<a class="jxr_linenumber" name="538" href="#538">538</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (index &lt; 0 || index &gt; capacity() - length) {
<a class="jxr_linenumber" name="539" href="#539">539</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IndexOutOfBoundsException();
<a class="jxr_linenumber" name="540" href="#540">540</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (length == 0) {
<a class="jxr_linenumber" name="541" href="#541">541</a>             <strong class="jxr_keyword">return</strong> ChannelBuffers.EMPTY_BUFFER;
<a class="jxr_linenumber" name="542" href="#542">542</a>         }
<a class="jxr_linenumber" name="543" href="#543">543</a> 
<a class="jxr_linenumber" name="544" href="#544">544</a>         List&lt;ChannelBuffer&gt; components = decompose(index, length);
<a class="jxr_linenumber" name="545" href="#545">545</a>         <strong class="jxr_keyword">switch</strong> (components.size()) {
<a class="jxr_linenumber" name="546" href="#546">546</a>         <strong class="jxr_keyword">case</strong> 0:
<a class="jxr_linenumber" name="547" href="#547">547</a>             <strong class="jxr_keyword">return</strong> ChannelBuffers.EMPTY_BUFFER;
<a class="jxr_linenumber" name="548" href="#548">548</a>         <strong class="jxr_keyword">case</strong> 1:
<a class="jxr_linenumber" name="549" href="#549">549</a>             <strong class="jxr_keyword">return</strong> components.get(0);
<a class="jxr_linenumber" name="550" href="#550">550</a>         <strong class="jxr_keyword">default</strong>:
<a class="jxr_linenumber" name="551" href="#551">551</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/jboss/netty/buffer/CompositeChannelBuffer.html">CompositeChannelBuffer</a>(order(), components);
<a class="jxr_linenumber" name="552" href="#552">552</a>         }
<a class="jxr_linenumber" name="553" href="#553">553</a>     }
<a class="jxr_linenumber" name="554" href="#554">554</a> 
<a class="jxr_linenumber" name="555" href="#555">555</a>     <strong class="jxr_keyword">public</strong> ByteBuffer toByteBuffer(<strong class="jxr_keyword">int</strong> index, <strong class="jxr_keyword">int</strong> length) {
<a class="jxr_linenumber" name="556" href="#556">556</a>         <strong class="jxr_keyword">if</strong> (components.length == 1) {
<a class="jxr_linenumber" name="557" href="#557">557</a>             <strong class="jxr_keyword">return</strong> components[0].toByteBuffer(index, length);
<a class="jxr_linenumber" name="558" href="#558">558</a>         }
<a class="jxr_linenumber" name="559" href="#559">559</a> 
<a class="jxr_linenumber" name="560" href="#560">560</a>         ByteBuffer[] buffers = toByteBuffers(index, length);
<a class="jxr_linenumber" name="561" href="#561">561</a>         ByteBuffer merged = ByteBuffer.allocate(length).order(order());
<a class="jxr_linenumber" name="562" href="#562">562</a>         <strong class="jxr_keyword">for</strong> (ByteBuffer b: buffers) {
<a class="jxr_linenumber" name="563" href="#563">563</a>             merged.put(b);
<a class="jxr_linenumber" name="564" href="#564">564</a>         }
<a class="jxr_linenumber" name="565" href="#565">565</a>         merged.flip();
<a class="jxr_linenumber" name="566" href="#566">566</a>         <strong class="jxr_keyword">return</strong> merged;
<a class="jxr_linenumber" name="567" href="#567">567</a>     }
<a class="jxr_linenumber" name="568" href="#568">568</a> 
<a class="jxr_linenumber" name="569" href="#569">569</a>     @Override
<a class="jxr_linenumber" name="570" href="#570">570</a>     <strong class="jxr_keyword">public</strong> ByteBuffer[] toByteBuffers(<strong class="jxr_keyword">int</strong> index, <strong class="jxr_keyword">int</strong> length) {
<a class="jxr_linenumber" name="571" href="#571">571</a>         <strong class="jxr_keyword">int</strong> componentId = componentId(index);
<a class="jxr_linenumber" name="572" href="#572">572</a>         <strong class="jxr_keyword">if</strong> (index + length &gt; capacity()) {
<a class="jxr_linenumber" name="573" href="#573">573</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IndexOutOfBoundsException();
<a class="jxr_linenumber" name="574" href="#574">574</a>         }
<a class="jxr_linenumber" name="575" href="#575">575</a> 
<a class="jxr_linenumber" name="576" href="#576">576</a>         List&lt;ByteBuffer&gt; buffers = <strong class="jxr_keyword">new</strong> ArrayList&lt;ByteBuffer&gt;(components.length);
<a class="jxr_linenumber" name="577" href="#577">577</a> 
<a class="jxr_linenumber" name="578" href="#578">578</a>         <strong class="jxr_keyword">int</strong> i = componentId;
<a class="jxr_linenumber" name="579" href="#579">579</a>         <strong class="jxr_keyword">while</strong> (length &gt; 0) {
<a class="jxr_linenumber" name="580" href="#580">580</a>             <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> s = components[i];
<a class="jxr_linenumber" name="581" href="#581">581</a>             <strong class="jxr_keyword">int</strong> adjustment = indices[i];
<a class="jxr_linenumber" name="582" href="#582">582</a>             <strong class="jxr_keyword">int</strong> localLength = Math.min(length, s.capacity() - (index - adjustment));
<a class="jxr_linenumber" name="583" href="#583">583</a>             buffers.add(s.toByteBuffer(index - adjustment, localLength));
<a class="jxr_linenumber" name="584" href="#584">584</a>             index += localLength;
<a class="jxr_linenumber" name="585" href="#585">585</a>             length -= localLength;
<a class="jxr_linenumber" name="586" href="#586">586</a>             i ++;
<a class="jxr_linenumber" name="587" href="#587">587</a>         }
<a class="jxr_linenumber" name="588" href="#588">588</a> 
<a class="jxr_linenumber" name="589" href="#589">589</a>         <strong class="jxr_keyword">return</strong> buffers.toArray(<strong class="jxr_keyword">new</strong> ByteBuffer[buffers.size()]);
<a class="jxr_linenumber" name="590" href="#590">590</a>     }
<a class="jxr_linenumber" name="591" href="#591">591</a> 
<a class="jxr_linenumber" name="592" href="#592">592</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> componentId(<strong class="jxr_keyword">int</strong> index) {
<a class="jxr_linenumber" name="593" href="#593">593</a>         <strong class="jxr_keyword">int</strong> lastComponentId = lastAccessedComponentId;
<a class="jxr_linenumber" name="594" href="#594">594</a>         <strong class="jxr_keyword">if</strong> (index &gt;= indices[lastComponentId]) {
<a class="jxr_linenumber" name="595" href="#595">595</a>             <strong class="jxr_keyword">if</strong> (index &lt; indices[lastComponentId + 1]) {
<a class="jxr_linenumber" name="596" href="#596">596</a>                 <strong class="jxr_keyword">return</strong> lastComponentId;
<a class="jxr_linenumber" name="597" href="#597">597</a>             }
<a class="jxr_linenumber" name="598" href="#598">598</a> 
<a class="jxr_linenumber" name="599" href="#599">599</a>             <em class="jxr_comment">// Search right</em>
<a class="jxr_linenumber" name="600" href="#600">600</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = lastComponentId + 1; i &lt; components.length; i ++) {
<a class="jxr_linenumber" name="601" href="#601">601</a>                 <strong class="jxr_keyword">if</strong> (index &lt; indices[i + 1]) {
<a class="jxr_linenumber" name="602" href="#602">602</a>                     lastAccessedComponentId = i;
<a class="jxr_linenumber" name="603" href="#603">603</a>                     <strong class="jxr_keyword">return</strong> i;
<a class="jxr_linenumber" name="604" href="#604">604</a>                 }
<a class="jxr_linenumber" name="605" href="#605">605</a>             }
<a class="jxr_linenumber" name="606" href="#606">606</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="607" href="#607">607</a>             <em class="jxr_comment">// Search left</em>
<a class="jxr_linenumber" name="608" href="#608">608</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = lastComponentId - 1; i &gt;= 0; i --) {
<a class="jxr_linenumber" name="609" href="#609">609</a>                 <strong class="jxr_keyword">if</strong> (index &gt;= indices[i]) {
<a class="jxr_linenumber" name="610" href="#610">610</a>                     lastAccessedComponentId = i;
<a class="jxr_linenumber" name="611" href="#611">611</a>                     <strong class="jxr_keyword">return</strong> i;
<a class="jxr_linenumber" name="612" href="#612">612</a>                 }
<a class="jxr_linenumber" name="613" href="#613">613</a>             }
<a class="jxr_linenumber" name="614" href="#614">614</a>         }
<a class="jxr_linenumber" name="615" href="#615">615</a> 
<a class="jxr_linenumber" name="616" href="#616">616</a>         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IndexOutOfBoundsException();
<a class="jxr_linenumber" name="617" href="#617">617</a>     }
<a class="jxr_linenumber" name="618" href="#618">618</a> 
<a class="jxr_linenumber" name="619" href="#619">619</a>     @Override
<a class="jxr_linenumber" name="620" href="#620">620</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> discardReadBytes() {
<a class="jxr_linenumber" name="621" href="#621">621</a>         <em class="jxr_comment">// Only the bytes between readerIndex and writerIndex will be kept.</em>
<a class="jxr_linenumber" name="622" href="#622">622</a>         <em class="jxr_comment">// New readerIndex and writerIndex will become 0 and</em>
<a class="jxr_linenumber" name="623" href="#623">623</a>         <em class="jxr_comment">// (previous writerIndex - previous readerIndex) respectively.</em>
<a class="jxr_linenumber" name="624" href="#624">624</a> 
<a class="jxr_linenumber" name="625" href="#625">625</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> localReaderIndex = <strong class="jxr_keyword">this</strong>.readerIndex();
<a class="jxr_linenumber" name="626" href="#626">626</a>         <strong class="jxr_keyword">if</strong> (localReaderIndex == 0) {
<a class="jxr_linenumber" name="627" href="#627">627</a>             <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="628" href="#628">628</a>         }
<a class="jxr_linenumber" name="629" href="#629">629</a>         <strong class="jxr_keyword">int</strong> localWriterIndex = <strong class="jxr_keyword">this</strong>.writerIndex();
<a class="jxr_linenumber" name="630" href="#630">630</a> 
<a class="jxr_linenumber" name="631" href="#631">631</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> bytesToMove = capacity() - localReaderIndex;
<a class="jxr_linenumber" name="632" href="#632">632</a>         List&lt;ChannelBuffer&gt; list = decompose(localReaderIndex, bytesToMove);
<a class="jxr_linenumber" name="633" href="#633">633</a> 
<a class="jxr_linenumber" name="634" href="#634">634</a>         <em class="jxr_comment">// Add a new buffer so that the capacity of this composite buffer does</em>
<a class="jxr_linenumber" name="635" href="#635">635</a>         <em class="jxr_comment">// not decrease due to the discarded components.</em>
<a class="jxr_linenumber" name="636" href="#636">636</a>         <em class="jxr_comment">// XXX Might create too many components if discarded by small amount.</em>
<a class="jxr_linenumber" name="637" href="#637">637</a>         <strong class="jxr_keyword">final</strong> <a href="../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> padding = ChannelBuffers.buffer(order(), localReaderIndex);
<a class="jxr_linenumber" name="638" href="#638">638</a>         padding.writerIndex(localReaderIndex);
<a class="jxr_linenumber" name="639" href="#639">639</a>         list.add(padding);
<a class="jxr_linenumber" name="640" href="#640">640</a> 
<a class="jxr_linenumber" name="641" href="#641">641</a>         <em class="jxr_comment">// Reset the index markers to get the index marker values.</em>
<a class="jxr_linenumber" name="642" href="#642">642</a>         <strong class="jxr_keyword">int</strong> localMarkedReaderIndex = localReaderIndex;
<a class="jxr_linenumber" name="643" href="#643">643</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="644" href="#644">644</a>             resetReaderIndex();
<a class="jxr_linenumber" name="645" href="#645">645</a>             localMarkedReaderIndex = <strong class="jxr_keyword">this</strong>.readerIndex();
<a class="jxr_linenumber" name="646" href="#646">646</a>         } <strong class="jxr_keyword">catch</strong> (IndexOutOfBoundsException e) {
<a class="jxr_linenumber" name="647" href="#647">647</a>             <em class="jxr_comment">// ignore</em>
<a class="jxr_linenumber" name="648" href="#648">648</a>         }
<a class="jxr_linenumber" name="649" href="#649">649</a>         <strong class="jxr_keyword">int</strong> localMarkedWriterIndex = localWriterIndex;
<a class="jxr_linenumber" name="650" href="#650">650</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="651" href="#651">651</a>             resetWriterIndex();
<a class="jxr_linenumber" name="652" href="#652">652</a>             localMarkedWriterIndex = <strong class="jxr_keyword">this</strong>.writerIndex();
<a class="jxr_linenumber" name="653" href="#653">653</a>         } <strong class="jxr_keyword">catch</strong> (IndexOutOfBoundsException e) {
<a class="jxr_linenumber" name="654" href="#654">654</a>             <em class="jxr_comment">// ignore</em>
<a class="jxr_linenumber" name="655" href="#655">655</a>         }
<a class="jxr_linenumber" name="656" href="#656">656</a> 
<a class="jxr_linenumber" name="657" href="#657">657</a>         setComponents(list);
<a class="jxr_linenumber" name="658" href="#658">658</a> 
<a class="jxr_linenumber" name="659" href="#659">659</a>         <em class="jxr_comment">// reset marked Indexes</em>
<a class="jxr_linenumber" name="660" href="#660">660</a>         localMarkedReaderIndex = Math.max(localMarkedReaderIndex - localReaderIndex, 0);
<a class="jxr_linenumber" name="661" href="#661">661</a>         localMarkedWriterIndex = Math.max(localMarkedWriterIndex - localReaderIndex, 0);
<a class="jxr_linenumber" name="662" href="#662">662</a>         setIndex(localMarkedReaderIndex, localMarkedWriterIndex);
<a class="jxr_linenumber" name="663" href="#663">663</a>         markReaderIndex();
<a class="jxr_linenumber" name="664" href="#664">664</a>         markWriterIndex();
<a class="jxr_linenumber" name="665" href="#665">665</a>         <em class="jxr_comment">// reset real indexes</em>
<a class="jxr_linenumber" name="666" href="#666">666</a>         localWriterIndex = Math.max(localWriterIndex - localReaderIndex, 0);
<a class="jxr_linenumber" name="667" href="#667">667</a>         setIndex(0, localWriterIndex);
<a class="jxr_linenumber" name="668" href="#668">668</a>     }
<a class="jxr_linenumber" name="669" href="#669">669</a> 
<a class="jxr_linenumber" name="670" href="#670">670</a>     @Override
<a class="jxr_linenumber" name="671" href="#671">671</a>     <strong class="jxr_keyword">public</strong> String toString() {
<a class="jxr_linenumber" name="672" href="#672">672</a>         String result = <strong class="jxr_keyword">super</strong>.toString();
<a class="jxr_linenumber" name="673" href="#673">673</a>         result = result.substring(0, result.length() - 1);
<a class="jxr_linenumber" name="674" href="#674">674</a>         <strong class="jxr_keyword">return</strong> result + <span class="jxr_string">", components="</span> + components.length + <span class="jxr_string">")"</span>;
<a class="jxr_linenumber" name="675" href="#675">675</a>     }
<a class="jxr_linenumber" name="676" href="#676">676</a> }
</pre>
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